Mathematics, 19.07.2019 15:50 tytybruce2
Heather and isabelle play a two-person game which is won by the first person to accumulate 10 points. at each turn heather gains a point with probability of $\frac{2}{3}$ . if she doesn't get a point then isabelle gets a point. isabelle is now ahead 9 to 6. what is the probability that isabelle will win? express your answer as a common fraction.
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Heather and isabelle play a two-person game which is won by the first person to accumulate 10 points...
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